Michael Joel Grotenrath, PA-C
Physician Assistant · Ann Arbor, MI
Michael Joel Grotenrath, PA-C is a physician assistant with a practice address in Ann Arbor, Michigan, and NPI 1619144961, issued on May 14, 2008. Check the license (Michigan 5601005245, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Joel Grotenrath
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601005245 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 936-4000
- Enumerated
- May 14, 2008
- Record last updated
- Jun 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090618000620); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1500 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Joel Grotenrath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601005245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average physician assistant in 2024
100 Medicare Part D claims for 17 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Metoprolol Tartrate13 claims
- Oxycodone Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $100.72
2 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St Joseph Mercy HospitalAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
610 physician assistant records list a practice address in Ann Arbor
They are 610 of the 15,616 NPPES records with a practice address in Ann Arbor, and 6,989 physician assistant records in Michigan.
All 610 in Ann Arbor → All 6,989 in Michigan → Every provider in Ann Arbor →
Other physician assistant records in Michigan
- Hauraa Aalabdulrasul, PADetroit, MI1467181982
- Kilee Aamodt, PA-CMuskegon, MI1578964300
- Rasha AbbasDetroit, MI1750239505
- Layan Abbasi, PA-CYpsilanti, MI1043045552
- Veronica Abbo, PA-CRoseville, MI1659889806
- Stephanie Abbott, PA-CGrand Rapids, MI1386072825
- Samar Abboud, PA-CYpsilanti, MI1871942144
- Salma Abd Elhamid, PA-CTroy, MI1457245730
- Malak Abdallah, PA-CDearborn, MI1245922194
- Marriam Abdallah, PA-CDearborn, MI1720962574
Common questions
What is Michael Joel Grotenrath, PA-C's NPI number?
Michael Joel Grotenrath, PA-C's National Provider Identifier (NPI) is 1619144961, issued on May 14, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael Joel Grotenrath, PA-C located?
The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.
How can I verify Michael Joel Grotenrath, PA-C's license?
NPPES lists Michigan license number 5601005245, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Joel Grotenrath, PA-C prescribe under Medicare Part D?
In 2024, Michael Joel Grotenrath, PA-C had 100 Medicare Part D claims for 17 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.